We used a mixture of metals. This gave us a NEVER RUSTING affect. These minerals include: aluminum, stainless steel, copper, and brass. We used parts of the metals and fused it with tungsten. (Please note that this is not tested in IRL (in real life/ like real life) and we don’t recommend you go crazy and try this IRL, and also note that this is not a how-to guide so don’t try it IRL)